XPA500 - Receiver OSD Audio - Free user manual and instructions
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| Product Type | Multi-channel Power Amplifier / Receiver |
| Channels | 5 |
| Power Output | 100W per channel (8 ohms) |
| Frequency Response | 20Hz - 20kHz ±0.5dB |
| Total Harmonic Distortion | <0.05% |
| Signal-to-Noise Ratio | >100dB |
| Inputs | 5x RCA unbalanced, 1x Optical, 1x Coaxial |
| Outputs | 5 pairs of binding posts |
| Dimensions (W x H x D) | 17 x 3.5 x 12 inches (432 x 89 x 305 mm) |
| Weight | 25 lbs (11.3 kg) |
| Power Supply | 120V ~ 60Hz, 500W |
| Protection Features | Overload, short circuit, thermal protection |
| Cooling | Convection (fanless) |
| Chassis Material | Aluminum front panel, steel chassis |
| Trigger Input | 12V DC |
| Maintenance | Wipe with dry cloth; avoid liquid cleaners |
| Safety | Do not expose to moisture; ensure proper ventilation |
| Warranty | 2 years limited |
| Compliance | UL, CE, RoHS |
| Spare Parts / Repairability | Contact OSD Audio for service; user-replaceable fuse |
Frequently Asked Questions - XPA500 OSD Audio
How do I connect speakers to the XPA500?
Use speaker wire with banana plugs or bare wire. Connect the positive terminal to the red binding post and negative to black. Ensure polarity is correct for each channel.
What is the power output per channel?
The XPA500 delivers 100 watts per channel at 8 ohms, all channels driven.
Can I use this receiver with 4 ohm speakers?
Yes, the XPA500 is stable with 4 ohm loads, delivering approximately 150 watts per channel.
Does the XPA500 have a built-in preamp?
No, it is a power amplifier and requires an external preamplifier or AV receiver with pre-outs.
How do I trigger the amplifier on/off automatically?
Use the 12V trigger input on the back panel. Connect it to a compatible source component that outputs 12V when powered on.
What type of input cables do I need?
Use standard RCA cables for unbalanced connection. For digital inputs, use optical or coaxial cables (Toslink or SPDIF).
Where is the fuse located?
The fuse is located on the back panel near the power cord. Replace with same rating: 5A 250V slow-blow.
Can I bridge channels for more power?
No, the XPA500 does not support bridging. Each channel is independent.
What is the recommended ventilation space?
Leave at least 3 inches (7.5 cm) above the amplifier and 2 inches (5 cm) on sides for adequate cooling.
How do I clean the XPA500?
Unplug the unit and wipe the exterior with a soft, dry cloth. Do not use any liquid cleaners or abrasives.
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